From: Bruce Allan Date: Fri, 16 Dec 2011 00:46:49 +0000 (+0000) Subject: e1000e: conditionally restart autoneg on 82577/8/9 when setting LPLU state X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=464c85e37e6b2d2ad4f3bea23a59408c5595db15;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git e1000e: conditionally restart autoneg on 82577/8/9 when setting LPLU state When setting the Low Power Link Up (LPLU, a.k.a. reverse auto-negotiation) on 82577/8278/82579, do not restart auto-negotiation if reset of the Phy is blocked by the Manageability Engine. Signed-off-by: Bruce Allan Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index d99548ce4da7..6a6e6f6d9e73 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -1921,7 +1921,9 @@ static s32 e1000_set_lplu_state_pchlan(struct e1000_hw *hw, bool active) else oem_reg &= ~HV_OEM_BITS_LPLU; - oem_reg |= HV_OEM_BITS_RESTART_AN; + if (!e1000_check_reset_block(hw)) + oem_reg |= HV_OEM_BITS_RESTART_AN; + ret_val = e1e_wphy(hw, HV_OEM_BITS, oem_reg); out: